PR:

Slightly improve the grammar; however, in my opinion this whole chunk can just
be tossed out of the FAQ.  I can't believe we're actually asked "how can I make
only one file executable?".


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@81131 13f79535-47bb-0310-9956-ffa450edef68